Hair brush



FIG. 1 is a perspective view of a hair brush according to the present design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate features of the article and form no part of the claim. 

CLAIM We claim the ornamental design for a hair brush, as shown and described. 